Abstract：
OBJECTIVE:To investigate the validity of various approaches to extract quantitative measurements of diffusion imaging (i.e., apparent diffusion coefficient [ADC]) to investigate tumors of the central nervous system. In current studies, the region of interest (ROI) for the quantitative measurements are placed arbitrarily according to morphology. Our aim is to investigate how placement patterns influence the ADC estimation in intracranial tumors. METHODS:Twenty consecutive patients affected by vestibular schwannoma were studied using diffusion imaging. ADC values were obtained using different ROI placement methods: segmentation ADC values of the entire volume (vADC), random ADC values were obtained in 10 different ROI points, and a single ROI in the ADC of the internal auditory canal portion of the tumor. RESULTS:ADC of the internal auditory canal portion of the tumor and vADC differed significantly (P < 0.01). vADC was different between cystic and microcystic schwannomas (P = 0.009) and between cystic and solid schwannomas (P = 0.006). CONCLUSIONS:The positioning of ROI in these measurements is pivotal. Although "whole tumor volume" measurements represent the largest amount of information, multiple seed points can be used as well. However, there must be multiple seeds and their placement must be reported. ADC can be used as a versatile tool for tumor assessment but must be used judiciously and structured to yield comparable results.
journal_name
World Neurosurgjournal_title
World neurosurgeryauthors
Giordano M,Samii A,Samii M,Nabavi Adoi
10.1016/j.wneu.2019.01.176subject
Has Abstractpub_date
2019-05-01 00:00:00pages
e820-e823eissn
1878-8750issn
1878-8769pii
S1878-8750(19)30287-6journal_volume
125pub_type
杂志文章abstract：BACKGROUND:Indications for reconstruction of the common carotid artery (CCA) include trauma, iatrogenic injury, neoplastic growth (such as invasive neck carcinomas), postoperative infection, and cervical carotid aneurysm. Although various techniques and conduits have been described, the clinical scenario may preclude t...
journal_title：World neurosurgery
pub_type： 杂志文章,评审
doi：10.1016/j.wneu.2019.05.215
更新日期：2019-09-01 00:00:00
abstract：BACKGROUND:Traumatic brain injury (TBI) is the most common neurosurgical condition globally. In Cameroon, there are 572 cases of TBI per 100,000 people, but <40% of Cameroonians live within 4 hours of a neurosurgical facility. We sought to understand the clinical outcomes at a neurosurgical center in Central Cameroon. ...
journal_title：World neurosurgery
pub_type： 杂志文章
doi：10.1016/j.wneu.2020.06.182
更新日期：2020-10-01 00:00:00
abstract：OBJECTIVE:To observe effects of rosiglitazone (RSG) infusion therapy on perihematomal peroxisome-proliferator-activated receptor gamma (PPARγ), glutamate, blood-brain barrier (BBB) permeability, and brain edema. METHODS:Fifty male rabbits (2.8-3.4 kg) were randomly assigned to a normal control (NC) group, model contro...
journal_title：World neurosurgery
pub_type： 杂志文章
doi：10.1016/j.wneu.2017.11.145
更新日期：2018-03-01 00:00:00
abstract：BACKGROUND:Surgical treatment of meningiomas next to venous sinuses is difficult because of their irregular growth patterns and infiltration into the venous sinuses, making gross total resection impossible in some patients. We evaluated the postoperative clinical and neurologic course of this tumor subgroup. METHODS:T...
journal_title：World neurosurgery
pub_type： 杂志文章
doi：10.1016/j.wneu.2017.05.025
更新日期：2017-08-01 00:00:00
abstract：BACKGROUND:It is known that meningiomas are common intracranial benign tumors that can be enhanced significantly on computed tomography or magnetic resonance imaging scans after the administration of contrast medium. The authors report here on an extremely rare case of meningioma with distinctive pathological features ...
journal_title：World neurosurgery
pub_type： 杂志文章
doi：10.1016/j.wneu.2017.02.099
更新日期：2017-05-01 00:00:00
abstract：:There are only three fully trained neurosurgeons to care for Tanzania's population of more than 41 million people. Madaktari was founded in 2006 to serve as a physician training partnership to establish more self-sufficient health care through education and training. Medical students play a valuable role in Madaktari ...
journal_title：World neurosurgery
pub_type： 杂志文章
doi：10.1016/j.wneu.2010.05.039
更新日期：2012-01-01 00:00:00
abstract：BACKGROUND:Traditionally, the dural venous sinuses have been described only in the cranium. However, anecdotally, during various neurosurgical intradural procedures in the lumbosacral spine, we noticed an intradural collection of blood. With no prior studies on this in the extant medical literature, the following anato...
journal_title：World neurosurgery
pub_type： 杂志文章
doi：10.1016/j.wneu.2017.01.116
更新日期：2017-05-01 00:00:00
abstract：OBJECTIVE:Geniculate neuralgia is an uncommon pain syndrome that can be severe and disabling and is difficult to diagnose. METHODS:The literature was reviewed for geniculate neuralgia, including anatomy, presentation, and treatment. A case illustration was presented that demonstrates the novel brainstem functional ima...
journal_title：World neurosurgery
pub_type： 杂志文章
doi：10.1016/j.wneu.2012.11.053
更新日期：2013-12-01 00:00:00
abstract：BACKGROUND:Spinal adhesive arachnoiditis (SAA) is an inflammatory process of the meninges. Cystic changes and cicatrization may lead to neurologic deficits and immobilization. Therapy is difficult and often unsatisfactory. We describe 8 cases of extensive SAA after extradural spinal infection. METHODS:A total of 238 p...
journal_title：World neurosurgery
pub_type： 杂志文章
doi：10.1016/j.wneu.2018.05.219
更新日期：2018-08-01 00:00:00
abstract：BACKGROUND:It is rare for 2 primary tumors to occur simultaneously in a patient. Management of cervical dumbbell schwannomas (CDSs) with concurrent tumors (CTs) requires a specific neurosurgical strategy. The primary objective of this study is to investigate surgical strategies for CDSs with CTs while preserving as muc...
journal_title：World neurosurgery
pub_type： 杂志文章,多中心研究
doi：10.1016/j.wneu.2016.11.037
更新日期：2017-02-01 00:00:00
abstract：OBJECTIVES:Gross total resection for glioblastoma (GBM) has been associated with better prognosis. However, it is not always feasible, and the threshold for the extent of resection required for better prognosis has been controversial. Therefore, we compared the survival and clinical outcomes of patients with GBM who ha...
journal_title：World neurosurgery
pub_type： 杂志文章
doi：10.1016/j.wneu.2018.09.237
更新日期：2019-01-01 00:00:00
abstract：OBJECTIVE:Intracranial aneurysms (IAs) are occasionally associated with moyamoya disease (MMD). The purpose of this study was to elucidate differences between patients with MMD with and without IAs and differences between patients with IAs at different locations. METHODS:Between May 2012 and December 2017, consecutive...
journal_title：World neurosurgery
pub_type： 杂志文章
doi：10.1016/j.wneu.2020.10.118
更新日期：2020-10-27 00:00:00
abstract：BACKGROUND:Intracranial hypotension (IH) is a recognized cause of coma; however, the diagnosis is often challenging, especially in patients with superimposed traumatic brain injury. CASE DESCRIPTION:A 67-year-old woman became comatose following evacuation of bilateral acute subdural hematomas with concurrent respirato...
journal_title：World neurosurgery
pub_type： 杂志文章
doi：10.1016/j.wneu.2017.06.060
更新日期：2017-09-01 00:00:00
abstract：OBJECTIVES:To investigate the biomechanical properties of a novel stabilization method for posterior cervical motion preservation using bioderived freeze-dried tendon. METHODS:Experiments were conducted both in vitro and in vivo. For the in vitro group, 15 fresh-frozen goat spines (C1-C7) were randomly divided into 3 ...
journal_title：World neurosurgery
pub_type： 杂志文章
doi：10.1016/j.wneu.2017.07.163
更新日期：2017-11-01 00:00:00
abstract：OBJECTIVE:Incidence of intraprocedural rupture (IPR) during endovascular coiling is reported to be 2%-5%. We reviewed a single-center experience of IPR during coil embolization of unruptured intracranial aneurysms. METHODS:Between January 2011 and April 2016, 849 patients were treated with endovascular therapy for unr...
journal_title：World neurosurgery
pub_type： 杂志文章
doi：10.1016/j.wneu.2017.05.147
更新日期：2017-09-01 00:00:00
abstract：BACKGROUND:Aneurysms of the extracranial vertebral artery are rare, and the treatment options are not standardized. We present a case of an extracranial vertebral artery aneurysm treated with flow diversion. CASE DESCRIPTION:In a 72-year-old woman, computed tomography angiography demonstrated a right extracranial vert...
journal_title：World neurosurgery
pub_type：
doi：10.1016/j.wneu.2020.03.064
更新日期：2020-06-01 00:00:00
abstract：OBJECTIVE:Work hour restrictions and current quality, financial, and legal concerns have reduced resident operative volume and autonomy. Although laboratory (cadaveric or animal) dissection has a rich history in neurosurgery, its current role in resident training is unclear. Recent literature suggests educators have lo...
journal_title：World neurosurgery
pub_type： 杂志文章
doi：10.1016/j.wneu.2014.05.028
更新日期：2014-11-01 00:00:00
abstract：OBJECTIVE:Transmission of knowledge to neurosurgical trainees in any environment is challenging, more so, in the developing world. Online education has the potential to maximize the cooperation within the international neurosurgical community. Our objective is to describe a model of online education that is sustainable...
journal_title：World neurosurgery
pub_type： 杂志文章
doi：10.1016/j.wneu.2011.02.041
更新日期：2011-09-01 00:00:00
abstract：OBJECTIVE:Current treatments for cerebral aneurysms are far from ideal. Platinum coils are prone to compaction, and currently used liquid embolics are delivered with angiotoxic agents. This work presents initial in vivo studies of a novel liquid-to-solid gelling polymer system (PPODA-QT), focusing on biocompatibility a...
journal_title：World neurosurgery
pub_type： 杂志文章
doi：10.1016/j.wneu.2011.10.029
更新日期：2012-11-01 00:00:00
abstract：OBJECTIVE:To compare perioperative, radiographic, and Scoliosis Research Society-22 (SRS-22) outcomes of consecutive, interval, and skipped pedicle screw techniques in patients with moderate Lenke type 1 adolescent idiopathic scoliosis (AIS). METHODS:We retrospectively reviewed 65 consecutive moderate Lenke type 1 AIS...
journal_title：World neurosurgery
pub_type： 杂志文章
doi：10.1016/j.wneu.2016.11.064
更新日期：2017-02-01 00:00:00
abstract：OBJECTIVE:To evaluate the outcomes and complications of patients with adult spinal deformity treated in a primary versus revision fashion with long fusions to the sacropelvis. METHODS:A retrospective review was performed of a multicenter consecutive series of patients with adult spinal deformity requiring fusion to th...
journal_title：World neurosurgery
pub_type： 杂志文章,多中心研究
doi：10.1016/j.wneu.2013.02.059
更新日期：2014-09-01 00:00:00
abstract：OBJECTIVE:Realistic, safe, and efficient modalities for simulation-based training are highly warranted to enhance the quality of surgical education, and they should be incorporated in resident training. The aim of this study was to develop a patient-specific virtual cerebral aneurysm-clipping simulator with haptic forc...
journal_title：World neurosurgery
pub_type： 杂志文章
doi：10.1016/j.wneu.2018.01.042
更新日期：2018-04-01 00:00:00
abstract：BACKGROUND:Cervical sagittal alignment parameters are essential to plan stages of surgery. The aims of this study were to evaluate the relationship between cervical sagittal alignment parameters and surgical outcomes after anterior cervical arthrodesis; to identify parameters linked to a better outcome; to determine th...
journal_title：World neurosurgery
pub_type： 杂志文章
doi：10.1016/j.wneu.2016.09.110
更新日期：2017-01-01 00:00:00
abstract：BACKGROUND:Posterior fossa arachnoid cysts are often asymptomatic, but can rarely cause postural headache, the mechanism of which remains unknown. CASE DESCRIPTION:We present a 40-year-old woman with an asymptomatic supracerebellar arachnoid cyst. Upright computed tomography (CT) showed enlargement of the arachnoid cy...
journal_title：World neurosurgery
pub_type：
doi：10.1016/j.wneu.2020.09.132
更新日期：2021-01-01 00:00:00
abstract：OBJECTIVE:We aimed to describe our single-center experience in treating cerebellar arteriovenous malformations (AVMs) with microsurgical resection. METHODS:During a 16-year period, 181 patients with cerebellar AVMs were surgically treated at the Department of Neurosurgery in Beijing Tiantan Hospital. Patient functiona...
journal_title：World neurosurgery
pub_type： 杂志文章
doi：10.1016/j.wneu.2016.08.059
更新日期：2016-11-01 00:00:00
abstract：OBJECTIVE:To evaluate safety and effectiveness of the application of piezosurgery in en bloc laminectomy for the treatment of multilevel thoracic ossification of ligamentum flavum (MTOLF). METHODS:Forty-one cases who had MTOLF and underwent en bloc laminectomy from January 2012 to January 2017 were reviewed and divide...
journal_title：World neurosurgery
pub_type： 杂志文章
doi：10.1016/j.wneu.2019.03.200
更新日期：2019-06-01 00:00:00
abstract：OBJECTIVES:Non-small-cell lung cancer (NSCLC) is one of the most common primary tumor sites among patients with metastatic spinal cord compression (MSCC). This disorder is related to neurologic dysfunction and can reduce the quality of life, but the association between MSCC and death is unclear. The aim of this study w...
journal_title：World neurosurgery
pub_type： 杂志文章
doi：10.1016/j.wneu.2017.09.079
更新日期：2017-12-01 00:00:00
abstract：OBJECTIVE:We sought to (1) describe psychological, physical, and cognitive functions in patients 10 years after intracranial aneurysm rupture and (2) identify any differences in outcome variables between age groups, gender or aneurysm locations. METHODS:A consecutive sample of patients (n=217) treated for intracranial...
journal_title：World neurosurgery
pub_type： 杂志文章
doi：10.1016/j.wneu.2012.03.032
更新日期：2013-01-01 00:00:00
abstract：BACKGROUND:Wound infections after adult spinal deformity surgery place a high toll on patients, providers, and the healthcare system. Staphylococcus aureus is a common cause of postoperative wound infections, and nasal colonization by this organism may be an important factor in the development of surgical site infectio...
journal_title：World neurosurgery
pub_type： 杂志文章
doi：10.1016/j.wneu.2018.05.025
更新日期：2018-08-01 00:00:00
abstract：BACKGROUND:Spinal intradural tumors are usually removed with laminectomy/laminotomy with a midline dural incision. Pain, discomfort, postoperative kyphosis, and instability may be minimized with unilateral microsurgery. METHODS:Seventy patients with schwannoma (73 tumors) and 27 patients with meningioma (29 tumors) we...
journal_title：World neurosurgery
pub_type： 杂志文章
doi：10.1016/j.wneu.2015.09.099
更新日期：2016-01-01 00:00:00
